From mboxrd@z Thu Jan 1 00:00:00 1970 From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth) Date: Wed, 22 May 2013 19:42:36 +0200 Subject: [PATCH v4 06/12] ARM: dove: add gigabit ethernet and mvmdio device tree nodes In-Reply-To: <20130522173505.GH31290@titan.lakedaemon.net> References: <1367854420-8006-1-git-send-email-sebastian.hesselbarth@gmail.com> <1369154510-4927-1-git-send-email-sebastian.hesselbarth@gmail.com> <1369154510-4927-7-git-send-email-sebastian.hesselbarth@gmail.com> <20130521174849.GL26249@lunn.ch> <519C9333.20609@gmail.com> <519C9822.9040909@windriver.com> <519C9A66.3050807@gmail.com> <20130522131010.GB31290@titan.lakedaemon.net> <20130522165908.GB12320@obsidianresearch.com> <519D0143.1000203@gmail.com> <20130522173505.GH31290@titan.lakedaemon.net> Message-ID: <519D038C.9000605@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 05/22/2013 07:35 PM, Jason Cooper wrote: > On Wed, May 22, 2013 at 07:32:51PM +0200, Sebastian Hesselbarth wrote: >> On 05/22/2013 06:59 PM, Jason Gunthorpe wrote: >>> On Wed, May 22, 2013 at 09:10:10AM -0400, Jason Cooper wrote: >>>> iirc, our solution to this was to parse the ATAGs for the mac addr and >>>> update the appended dtb. This way, module load and unload would work >>>> without loosing the mac address. I believe Jason Gunthorpe has a patch >>>> to atags_to_fdt() for this... This should allow us to get rid of the >>>> clocks hack. >>> >>> Sorry, no, we don't use ATAGs here, our platforms start the kernel >>> with a correct DTB that has the correct mac address to use. My patch >>> was to have the driver accept it, and I think Sebastian has already >>> got that functionality... >> >> Not neccessary anyway, after talking Jason C in a Kirkwood-only >> workaround I prepared a patch that reads mac address registers early >> and stores it in the local-mac-address property. > > Sweet! > >> Just tested on Dockstar with gated clocks and modular DT mv643xx_eth. >> >> Will append to the DT mv643xx_eth patch set if a v5 will be required >> or as single patch prior Jason C taking in the ARM part of it >> otherwise. > > Please post, in-reply-to v4 is fine. Hmm, maybe a little bit too early. While restoring the MAC address now works, another bug arises which I guess is related with phy setup and aneg. Will investigate and update patch set accordingly. Sebastian